/*
 * Copyright (c) 2012 Robert Burrell Donkin robertburrelldonkin.name
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 * is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */
package walrus.unpack.xml;

import java.io.File;
import java.nio.BufferOverflowException;
import java.nio.CharBuffer;


public class TextCollector extends TitlePrinter {

	private static final int K = 1024;
	private static final int M = 1024 * K;
	private static final int BUFFER = 8 * M;
	
	public TextCollector(File target) {
		super(target);
	}

	private CharBuffer buffer = CharBuffer.allocate(BUFFER);

	@Override
	protected void startSection(Section section) {
		super.startSection(section);
		if (section == Section.TEXT) {
			buffer.clear();
		}
	}
	
	@Override
	protected void text(char[] ch, int start, int length) {
		super.text(ch, start, length);
		try {
			buffer.put(ch, start, length);
			System.out.println(buffer.subSequence(0, Math.min(10, buffer.length())));
		} catch (BufferOverflowException e) {
			throw new RuntimeException("Overflow");
		}
	}
}
